[ExI] Heat of the Earth [WAS Re: Efficiency of wind power]

[Richard Loosemore]

Kelly Anderson wrote:
> On Sun, Apr 17, 2011 at 10:27 AM, Richard Loosemore <rpwl at lightlink.com> wrote:
>> I am guessing that the half life of the Earth's heat would be determined by
>> the isotope with the longest half life, which would be Thorium at about 14
>> billion years.  Comparable to the Sun's lifetime, and well before I plan to
>> move to another solar system, so there is no need to worry yet.
> 
> Will it make any difference if we get efficient at stealing heat from
> the earth's core? When will we experience Peak geothermal energy? :-)
> Heck, we'll probably have the dang fusion and flying cars before
> that's a problem...

Stealing heat through geothermal will make no appreciable impact, even 
over the course of a few million years.  Plenty of time to develop the 
fusion, flying cars, space elevators sending down truckloads of 
high-density energy collected in space......



Richard Loosemore